The second reservoir is separated from the sedimentation pond by a dam and has a capacity of 4.5 million m3.

A sedimentation pond has been installed to help at reducing the cycle of pollutants.

To prevent degradation of surface waters, sedimentation ponds are constructed under the mine's surface water protection program.

The wetland consists of four ponds: the main pond, two sedimentation ponds and the farm dam.

Effluents from seabream and seabass collect in sedimentation ponds, where dense populations of microalgae-mostly diatoms-develop.

This reduces the run-off of sediments when combined with wise use of sedimentation ponds, berms and shore line vegetation to hold the soil together.

Leaf litter, plastic bags and other debris is removed by trash removal systems at the entry to the sedimentation ponds to aid in cleansing of the water.

According to the NPDES filing, PacRim would build four sedimentation ponds to remove some suspended solids.

The first of these is a sedimentation pond, holding about 1.5 million m3 of water which allow suspended matter in the water to settle to the bottom, thus cleaning the water.

Ginninderra Creek is impounded by Gungahlin Pond and Lake Ginninderra, a man-made lake that was constructed in 1974 to act as a sedimentation pond.

When the mine is fully out of service, the power lines, service roads, sedimentation ponds, ditches, and other mining infrastructure will be removed, and their lands reconverted to their original forms.

High Park was naturalized, a "dead" Grenadier Pond revived and a new lock installed, as well as the creation of wetlands, construction of a new sedimentation pond on Wendigo Creek Pond, and the restoration of the animal habitat.